Basal Metabolic Rate or BMR refers to the amount of energy or calories needed for vital bodily functions over a 24 hours period in a state of rest. An indirect rough estimation of ones BMR is calculated using the Mifflin St Jeor Equation.

The Formula

P – Total heat production.m – Mass or weight in KG.h – Height in CM.s – Sex or gender: +5 for men and −161 for women.